. >> the new york botanical garden is sort of a disney world for plant lovers. calling itself "a museum of living plant collections," it's bigger than 200 football fields. visitors come from around the world to see its rose garden, as well as the beautiful conservatory -- a giant hothouse for tropical and desert plants. and its adventure garden is home to a special internship called the explainer program. >> the explainer program is for high-school students, 14 to 17 years old, to volunteer in the children's garden. they volunteer 125 hours working with young families and their children to explore nature and do different activities in the adventure garden. >> the activity stations are found throughout the children's area. >> so, here, we were showing the kids about the frogs, just, like, some of the organisms that live in our pond, and also the plants, too. so, the duckweed are really tiny flowers that ducks love to eat when they come and visit us. and there's a whole bunch of other insects, too. like that blue thing right there, flying around? that's a dragonfl